What are other names for creatine?

Creatine is also known by several other names, including methyl guanidine acetic acid and alpha-methyl guanidine. It is commonly referred to simply as creatine monohydrate when discussing its most prevalent supplement form. Additionally, in certain contexts, it may be labeled as creatine phosphate or phosphocreatine, which are related to its role in energy metabolism in muscles.